Malicious PDF — malware analysis report

Static analysis result for SHA-256 8470798f66ddaa26…

MALICIOUS

PDF

91.9 KB Created: 2020-11-20 06:47:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-04-05
MD5: e89a130ce58b2cb3ddd4eee91a951aef SHA-1: 0e41c9642124caea52266cbc9403c2c5ea4df2ba SHA-256: 8470798f66ddaa26a6009195af68c97390b4be88f594d77423c7de4990b61d00
254 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://s3.amazonaws.com/tibitexil/mahoney_middle_school_south_portland_maine.pdf In PDF document text
    • https://cdn-cms.f-static.net/uploads/4408348/normal_5fa6a6ce62dbb.pdfIn PDF document text
    • https://vagesazo.weebly.com/uploads/1/3/4/7/134747595/tofepas.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369626/normal_5fae732056d42.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366660/normal_5fa4096feda12.pdfIn PDF document text
    • https://s3.amazonaws.com/xanebavifamopez/xijinutulusuzisafikela.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365638/normal_5f86fa6362cfb.pdfIn PDF document text
    • https://ggtraff.ru/strik?utm_term=keto+reset+dietIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00012eea.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00012eea.bin)
    • https://uploads.strikinglycdn.com/files/f1cbaae1-8973-4022-a81b-2e127f942556/41132405420.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/09c4fa69-2d6f-41e5-ab03-cd791d456919/75349481461.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a78107c9-5a83-4166-b36f-93805496f3b4/96043217165.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/824cbe45-2968-4789-9df4-a51d45e0e32a/wojejemalijapanosesijoma.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/be007aed-446e-4b73-98a6-44430e3b302c/takapawozomed.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off00012eea.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00012eea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12EEA 4544 bytes
SHA-256: bef185d75afa4eba4a56dd8f5ba85778bbebb4fd2c1c08de51369e0b1cb08d89
font_01_sfnt_off00013e6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13E6F 10728 bytes
SHA-256: 2c54f49e5d41ef34342b033c2cec63c36e23efbcc655d1285f12dfee4ba8a1cc

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